Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/32895
Title: Tilted moir fiber bragg grating optical filters with controllable passband and stopband
Authors: Wong, ACL
Giovinazzo, M
Tam, HY 
Lu, C 
Peng, GD
Keywords: Moiré resonance effect
Optical communications
Optical filter
Tilted moiré fiber Bragg grating
Issue Date: 2010
Publisher: Institute of Electrical and Electronics Engineers
Source: Journal of lightwave technology, 2010, v. 28, no. 6, 5382545, p. 898-904 How to cite?
Journal: Journal of lightwave technology 
Abstract: Controllable passband and stopband optical filters based on tilted moir fiber Bragg gratings (FBGs) are presented. The gratings are formed by combining two FBGs of equal period, with one of them tilted at a small angle with respect to the fiber axis. The spectral response consists of the phase-shifted, narrow resonance-dip main peak, and the discrete cladding modes. In this paper, we systematically and experimentally investigated the spectral characteristics of tilted moir FBGs. Experimental results demonstrated that, upon changing the tilt angle and grating length in different combinations, the grating and resonance-dip bandwidths, and the cladding modes characteristics, can be controlled and modified. These features enable the flexible design of optical filters with controllable passband and stopband.
URI: http://hdl.handle.net/10397/32895
ISSN: 0733-8724
EISSN: 1558-2213
DOI: 10.1109/JLT.2010.2040458
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